Diastolic pressure is the pressure of blood against the artery walls between heartbeats, when the heart is relaxed and filling with blood. It is the second or lower number in a blood pressure reading. ... www.stcvalve.com MTH for High-Pressure Pumps Up...
See Hypertension for more information about high blood pressure. ... For each heartbeat, blood pressure varies between systolic and diastolic pressures...pressure in the arteries, which occurs near the beginning of the cardiac cycle when the...
